21415935

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33203}}^1$

素因数の和:33254

約数の個数: 16

約数和(自身を含む): 35063424

約数和(自身を除く): 13647489

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 33203, 99609, 166015, 498045, 1427729, 4283187, 7138645, 21415935]

約数ペア:

[(1, 21415935), (3, 7138645), (5, 4283187), (15, 1427729), (43, 498045), (129, 166015), (215, 99609), (645, 33203)]